笔者在此提供自编的DES算法的实现源码,读者可以直接使用接口函数实现加密解密操作,有兴趣自己动手实现的读者也可以把作为一份参考.-I provide in this self-realization of the DES algorithm source, readers can directly use the interface function realize encryption and decryption operations, are interested in do-it-you